Put Options

4 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q1 2023

May 15, 2023

SELL
$27.99 - $37.92 $83,970 - $113,760
-3,000 Closed
0 $0
Q3 2022

May 15, 2023

BUY
$27.56 - $37.75 $82,680 - $113,250
3,000 New
3,000 $84,000
Q3 2022

Nov 14, 2022

SELL
$27.56 - $37.75 $1.3 Million - $1.77 Million
-47,000 Reduced 94.0%
3,000 $84,000
Q2 2022

Aug 15, 2022

BUY
$29.79 - $42.29 $1.49 Million - $2.11 Million
50,000 New
50,000 $1.74 Million

Others Institutions Holding AMPH

About Amphastar Pharmaceuticals, Inc.


  • Ticker AMPH
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—Specialty & Generic
  • Shares Outstandng 49,015,200
  • Market Cap $2.21B
  • Description
  • Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-count...
More about AMPH
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